Which American rock climber responsible for locating the body of George Mallory on Everest failed in his attempt to climb over the west ridge of Mount Epperly?
Conrad Anker
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Mount Epperly
9832517
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Section::::Abstract.
Mount Epperly
9832517
-1
Section::::Abstract.
Conrad Anker
5421938
-1
Section::::Abstract.
Conrad Anker
5421938